https://www.almtwerinformatics.com/2020/05/22/%d8%aa%d8%b9%d8%b1%d9%81-%d8%b9%d9%84%d9%89-%d8%aa%d8%b7%d8%a8%d9%8a%d9%82-fitbit-covid-19-%d9%84%d9%84%d9%83%d8%b4%d9%81-%d8%a7%d9%84%d9%85%d8%a8%d9%83%d8%b1-%d8%b9%d9%86-%d8%a3%d8%b9%d8%b1%d8%b6/